Is MADISON, CITY OF's water safe to drink?
MADISON, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,135, over 986 connections.
Ranked against every other system in this dataset
4 total violations and 3 health-based ones put MADISON, CITY OF at the 57th percentile nationally for violation burden, rank 5,603 of 12,903.
How MADISON, CITY OF compares within NE
NE's 64 covered systems average 8.9 health-based violations each; MADISON, CITY OF carries 3, not more than typical for the state. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for MADISON, CITY OF is from 2026-01-01 (health-based: 2002-01-07). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
MADISON, CITY OF's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Other regulated metals - flagged from: Selenium
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
MADISON, CITY OF's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Between the utility's meter and MADISON, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 5,603th of 12,903 by violation count. The guide to what this data misses covers that gap.